CamelBak Volt 13 L 100 oz. Hydration PackCamelBak Volt 13 L 100 oz. Hydration Pack is the ultimate hydration solution for the bikers and hikers. It is light on your back and features a vertical ventilation chimney that allows your back to release moisture, breathe, and keeps it cool. It also features an Antidote Lumbar reservoir that stores the water for your hydration needs. This reservoir has 1/4 turn cap which makes it easy to open and close. The wide mouth opening enables you easily fill it with water and clean it. The HydroGuard technology prevents the growth of germs and bacteria in the water and keeps it clean and safe for use. This hydration pack features Big Bite valve which makes it easy to drink the eater. All you need to do is bite and sip! It comes with a helmet hook, bike tool organizer pocket, and stretch overflow storage that help you carry your helmet, multi-tool, CO2 pump & cartridges, spare tube, extra layer, energy supplements, phone, wallet, keys, and much more. These storage pockets also help you organize your stuff better. You can secure and stabilize your hydration system almost anywhere using external attachment points. The media pocket keeps your digital device safe so you can enjoy music while biking. Enjoy a biking experience and keep clean drinking water close with the CamelBak Volt 13 L 100 oz. Hydration Pack.